December weather forecast
Polk, MO

Weather in December

The first month of the winter, December, is still a chilly month in Polk, Missouri, with an average temperature varying between 44.2°F (6.8°C) and 29.5°F (-1.4°C).

Temperature

In December, the average high-temperature drops from a cool 54.9°F (12.7°C) in November to a frosty 44.2°F (6.8°C). In December, the average low-temperature is 29.5°F (-1.4°C).

Humidity

The average relative humidity in December in Polk, Missouri, is 75%.

Rainfall

The months with the least rainfall in Polk, Missouri, are January and December Rain falls for 6.9 days and accumulates 1.57" (40mm) of rain.

Snowfall

January through May, November and December are months with snowfall in Polk, Missouri. In Polk, during December, snow falls for 3.4 days and regularly aggregates up to 1.22" (31mm) of snow. In Polk, during the entire year, snow falls for 18.4 days and aggregates up to 8.35" (212mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 37min of daylight.
On the first day of December in Polk, sunrise is at 7:09 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:04 pm CST.

Sunshine

In Polk, the average sunshine in December is 5.5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Polk?

The average high-temperature, in December, in Polk, Missouri, is 44.2°F (6.8°C), while the average low-temperature is 29.5°F (-1.4°C). in August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 98.6°F (37°C).

What is the average humidity in December in Polk?

In December, the average relative humidity in Polk, Missouri, is 75%.

What is the driest month in Polk?

January and December are months with the least rain in Polk, Missouri, when the rain falls for 6.9 days and typically aggregates up to 1.57" (40mm) of rain.

How many days does it rain in December in Polk?

In Polk, in December, during 6.9 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

How many days does it snow in December in Polk?

In Polk, during December, snow falls for 3.4 days and regularly aggregates up to 1.22" (31mm) of snow.

What is the month with the shortest days in Polk?

With an average of 9h and 37min of daylight, December has the shortest days of the year in Polk.

How many hours of daylight does Polk have in December?

In December, the average day length in Polk, Missouri, is 9h and 37min.

When is the sunrise / sunset in December in Polk?

On the first day of December, sunrise is at 7:09 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:04 pm CST.

How long on average sun shines in December in Polk?

In December, the average sunshine duration in Polk is 5.5h.

What are the months with the lowest UV index in Polk?

The months with the lowest UV index in Polk, Missouri, are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Polk?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Polk, MO

Average temperature in December - Polk, MO
  • Average high temperature in December: 44.2°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in December: 29.5°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

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Average pressure in December
Polk, MO

Average pressure in December - Polk, MO
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are April and June (29.93"Hg).

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Average wind speed in December
Polk, MO

Average wind speed in December - Polk, MO
  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

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Average humidity in December
Polk, MO

Average humidity in December - Polk, MO
  • Average humidity in December: 75%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
Polk, MO

Average rainfall in December - Polk, MO
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is May (5.28").
The driest months (with the least rainfall) are January and December (1.57").

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Average rainfall days in December
Polk, MO

Average rainfall days in December - Polk, MO
  • Average rainfall days in December: 6.9 days

The month with the highest number of rainy days is May (17.4 days).
The months with the least rainy days are January and December (6.9 days).

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Average snowfall in December
Polk, MO

Average snowfall in December - Polk, MO
  • Average snowfall in December: 1.22"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Polk, MO

Average snowfall days in December - Polk, MO
  • Average snowfall days in December: 3.4 days

The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Polk, MO

Average daylight in December / Average sunshine in December - Polk, MO
  • Average daylight in December: 9h and 37min

The month with the longest days is June (Average daylight: 14h and 44min).
The month with the shortest days is December (Average daylight: 9h and 37min).

  • Average sunshine in December: 5h and 30min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days in December
Polk, MO

Average sunshine days in December - Polk, MO
  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index in December
Polk, MO

Average UV index in December - Polk, MO
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Polk, MO

Average cloud cover in December - Polk, MO
  • Average cloud cover in December: 42

The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 27).

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Average visibility in December
Polk, MO

Average visibility in December - Polk, MO
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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